./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 476382d18560c39f16aae727092b47108fdc1ae0e3eedbadcc67982af5d45e6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:56:53,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:56:54,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:56:54,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:56:54,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:56:54,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:56:54,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:56:54,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:56:54,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:56:54,110 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:56:54,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:56:54,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:56:54,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:56:54,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:56:54,112 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:56:54,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:56:54,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:56:54,113 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:56:54,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:56:54,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:56:54,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:56:54,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:56:54,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:56:54,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:56:54,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:56:54,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:56:54,115 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:56:54,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:56:54,115 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:56:54,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:56:54,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:56:54,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:56:54,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:56:54,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:56:54,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:56:54,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:56:54,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:56:54,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:56:54,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:56:54,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:56:54,118 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:56:54,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:56:54,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:56:54,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:56:54,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:56:54,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:56:54,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:56:54,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:56:54,119 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 476382d18560c39f16aae727092b47108fdc1ae0e3eedbadcc67982af5d45e6d [2024-11-23 23:56:54,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:56:54,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:56:54,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:56:54,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:56:54,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:56:54,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-13.i [2024-11-23 23:56:58,287 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/data/65597d65c/9ec987eab6b5465fb7d4999390c80a54/FLAGb63e7d3e7 [2024-11-23 23:56:58,660 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:56:58,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-13.i [2024-11-23 23:56:58,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/data/65597d65c/9ec987eab6b5465fb7d4999390c80a54/FLAGb63e7d3e7 [2024-11-23 23:56:58,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/data/65597d65c/9ec987eab6b5465fb7d4999390c80a54 [2024-11-23 23:56:58,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:56:58,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:56:58,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:56:58,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:56:58,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:56:58,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:56:58" (1/1) ... [2024-11-23 23:56:58,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c03fdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:58, skipping insertion in model container [2024-11-23 23:56:58,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:56:58" (1/1) ... [2024-11-23 23:56:58,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:56:58,963 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-13.i[913,926] [2024-11-23 23:56:59,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:56:59,082 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:56:59,098 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-13.i[913,926] [2024-11-23 23:56:59,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:56:59,152 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:56:59,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59 WrapperNode [2024-11-23 23:56:59,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:56:59,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:56:59,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:56:59,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:56:59,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,235 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-23 23:56:59,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:56:59,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:56:59,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:56:59,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:56:59,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,253 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,277 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:56:59,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,285 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:56:59,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:56:59,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:56:59,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:56:59,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (1/1) ... [2024-11-23 23:56:59,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:56:59,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:56:59,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:56:59,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:56:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:56:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:56:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:56:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:56:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:56:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:56:59,538 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:56:59,541 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:56:59,877 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-23 23:56:59,877 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:56:59,889 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:56:59,889 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:56:59,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:56:59 BoogieIcfgContainer [2024-11-23 23:56:59,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:56:59,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:56:59,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:56:59,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:56:59,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:56:58" (1/3) ... [2024-11-23 23:56:59,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a3343f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:56:59, skipping insertion in model container [2024-11-23 23:56:59,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:59" (2/3) ... [2024-11-23 23:56:59,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a3343f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:56:59, skipping insertion in model container [2024-11-23 23:56:59,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:56:59" (3/3) ... [2024-11-23 23:56:59,902 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-13.i [2024-11-23 23:56:59,922 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:56:59,924 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-13.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:57:00,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:57:00,031 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42ff1bea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:57:00,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:57:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 23:57:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:57:00,048 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:00,049 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:00,049 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:00,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:00,056 INFO L85 PathProgramCache]: Analyzing trace with hash 744628402, now seen corresponding path program 1 times [2024-11-23 23:57:00,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:00,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624281363] [2024-11-23 23:57:00,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:00,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:00,388 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-23 23:57:00,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:00,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624281363] [2024-11-23 23:57:00,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624281363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:57:00,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124424049] [2024-11-23 23:57:00,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:00,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:57:00,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:57:00,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:57:00,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:57:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:00,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:57:00,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:57:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-23 23:57:00,722 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:57:00,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124424049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:00,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:57:00,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:57:00,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214037480] [2024-11-23 23:57:00,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:00,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:57:00,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:00,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:57:00,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:57:00,767 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 23:57:00,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:00,808 INFO L93 Difference]: Finished difference Result 91 states and 151 transitions. [2024-11-23 23:57:00,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:57:00,811 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2024-11-23 23:57:00,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:00,822 INFO L225 Difference]: With dead ends: 91 [2024-11-23 23:57:00,822 INFO L226 Difference]: Without dead ends: 45 [2024-11-23 23:57:00,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:57:00,831 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:57:00,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:57:00,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-23 23:57:00,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-23 23:57:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 23:57:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2024-11-23 23:57:00,894 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 98 [2024-11-23 23:57:00,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:00,896 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2024-11-23 23:57:00,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 23:57:00,896 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-23 23:57:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:57:00,905 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:00,905 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:00,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:57:01,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:57:01,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:01,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:01,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1203141465, now seen corresponding path program 1 times [2024-11-23 23:57:01,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:01,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762528175] [2024-11-23 23:57:01,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:01,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-23 23:57:05,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:05,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762528175] [2024-11-23 23:57:05,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762528175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:05,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:57:05,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:57:05,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208291582] [2024-11-23 23:57:05,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:05,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:57:05,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:05,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:57:05,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:57:05,076 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:05,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:05,988 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2024-11-23 23:57:05,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:57:05,990 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-23 23:57:05,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:05,994 INFO L225 Difference]: With dead ends: 118 [2024-11-23 23:57:05,995 INFO L226 Difference]: Without dead ends: 116 [2024-11-23 23:57:05,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:57:05,997 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 103 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:57:05,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 495 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:57:06,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-23 23:57:06,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 92. [2024-11-23 23:57:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 59 states have internal predecessors, (71), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-23 23:57:06,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2024-11-23 23:57:06,053 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 99 [2024-11-23 23:57:06,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:06,053 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2024-11-23 23:57:06,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2024-11-23 23:57:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:57:06,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:06,057 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:06,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:57:06,058 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:06,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:06,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1204988507, now seen corresponding path program 1 times [2024-11-23 23:57:06,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:06,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369509766] [2024-11-23 23:57:06,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:06,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-23 23:57:08,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:08,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369509766] [2024-11-23 23:57:08,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369509766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:08,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:57:08,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:57:08,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929332733] [2024-11-23 23:57:08,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:08,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:57:08,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:08,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:57:08,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:57:08,027 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:08,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:08,830 INFO L93 Difference]: Finished difference Result 116 states and 155 transitions. [2024-11-23 23:57:08,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:57:08,831 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-23 23:57:08,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:08,836 INFO L225 Difference]: With dead ends: 116 [2024-11-23 23:57:08,837 INFO L226 Difference]: Without dead ends: 114 [2024-11-23 23:57:08,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:57:08,838 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 93 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:57:08,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 555 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:57:08,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-23 23:57:08,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 92. [2024-11-23 23:57:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 59 states have internal predecessors, (71), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-23 23:57:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2024-11-23 23:57:08,872 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 99 [2024-11-23 23:57:08,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:08,872 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2024-11-23 23:57:08,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2024-11-23 23:57:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:57:08,874 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:08,875 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:08,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:57:08,875 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:08,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:08,876 INFO L85 PathProgramCache]: Analyzing trace with hash 393794839, now seen corresponding path program 1 times [2024-11-23 23:57:08,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:08,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853369828] [2024-11-23 23:57:08,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:08,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-23 23:57:10,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:10,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853369828] [2024-11-23 23:57:10,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853369828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:10,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:57:10,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:57:10,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085443459] [2024-11-23 23:57:10,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:10,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:57:10,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:10,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:57:10,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:57:10,969 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:11,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:11,453 INFO L93 Difference]: Finished difference Result 116 states and 155 transitions. [2024-11-23 23:57:11,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:57:11,454 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-23 23:57:11,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:11,456 INFO L225 Difference]: With dead ends: 116 [2024-11-23 23:57:11,456 INFO L226 Difference]: Without dead ends: 114 [2024-11-23 23:57:11,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:57:11,457 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 99 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:57:11,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 428 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:57:11,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-23 23:57:11,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 95. [2024-11-23 23:57:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 62 states have internal predecessors, (75), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-23 23:57:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2024-11-23 23:57:11,476 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 135 transitions. Word has length 99 [2024-11-23 23:57:11,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:11,476 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 135 transitions. [2024-11-23 23:57:11,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:11,477 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 135 transitions. [2024-11-23 23:57:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:57:11,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:11,479 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:11,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:57:11,479 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:11,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:11,480 INFO L85 PathProgramCache]: Analyzing trace with hash 395641881, now seen corresponding path program 1 times [2024-11-23 23:57:11,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:11,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068681435] [2024-11-23 23:57:11,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:11,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-23 23:57:13,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:13,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068681435] [2024-11-23 23:57:13,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068681435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:13,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:57:13,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:57:13,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477319569] [2024-11-23 23:57:13,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:13,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:57:13,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:13,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:57:13,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:57:13,151 INFO L87 Difference]: Start difference. First operand 95 states and 135 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:13,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:13,839 INFO L93 Difference]: Finished difference Result 114 states and 153 transitions. [2024-11-23 23:57:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:57:13,840 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-23 23:57:13,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:13,842 INFO L225 Difference]: With dead ends: 114 [2024-11-23 23:57:13,842 INFO L226 Difference]: Without dead ends: 112 [2024-11-23 23:57:13,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:57:13,843 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 90 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:57:13,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 497 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:57:13,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-23 23:57:13,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 92. [2024-11-23 23:57:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 59 states have internal predecessors, (71), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-23 23:57:13,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2024-11-23 23:57:13,883 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 99 [2024-11-23 23:57:13,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:13,887 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2024-11-23 23:57:13,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:13,887 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2024-11-23 23:57:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:57:13,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:13,889 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:13,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:57:13,893 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:13,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1883199835, now seen corresponding path program 1 times [2024-11-23 23:57:13,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:13,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814961997] [2024-11-23 23:57:13,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:13,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-23 23:57:15,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:15,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814961997] [2024-11-23 23:57:15,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814961997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:15,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:57:15,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:57:15,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989422653] [2024-11-23 23:57:15,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:15,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:57:15,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:15,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:57:15,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:57:15,191 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:16,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:16,031 INFO L93 Difference]: Finished difference Result 195 states and 271 transitions. [2024-11-23 23:57:16,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:57:16,032 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-23 23:57:16,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:16,038 INFO L225 Difference]: With dead ends: 195 [2024-11-23 23:57:16,038 INFO L226 Difference]: Without dead ends: 193 [2024-11-23 23:57:16,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:57:16,039 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 155 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:57:16,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 550 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:57:16,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-23 23:57:16,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 178. [2024-11-23 23:57:16,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 113 states have internal predecessors, (136), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-23 23:57:16,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 256 transitions. [2024-11-23 23:57:16,097 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 256 transitions. Word has length 99 [2024-11-23 23:57:16,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:16,101 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 256 transitions. [2024-11-23 23:57:16,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:16,101 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 256 transitions. [2024-11-23 23:57:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:57:16,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:16,103 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:16,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:57:16,103 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:16,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:16,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1885046877, now seen corresponding path program 1 times [2024-11-23 23:57:16,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:16,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733151713] [2024-11-23 23:57:16,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:16,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-23 23:57:17,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:17,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733151713] [2024-11-23 23:57:17,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733151713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:17,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:57:17,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:57:17,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248314889] [2024-11-23 23:57:17,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:17,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:57:17,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:17,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:57:17,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:57:17,964 INFO L87 Difference]: Start difference. First operand 178 states and 256 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:19,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:19,657 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2024-11-23 23:57:19,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:57:19,658 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-23 23:57:19,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:19,660 INFO L225 Difference]: With dead ends: 182 [2024-11-23 23:57:19,661 INFO L226 Difference]: Without dead ends: 180 [2024-11-23 23:57:19,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:57:19,662 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 113 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:57:19,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 489 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:57:19,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-23 23:57:19,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 172. [2024-11-23 23:57:19,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 107 states have (on average 1.1962616822429906) internal successors, (128), 107 states have internal predecessors, (128), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-23 23:57:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 248 transitions. [2024-11-23 23:57:19,690 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 248 transitions. Word has length 99 [2024-11-23 23:57:19,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:19,690 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 248 transitions. [2024-11-23 23:57:19,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:19,691 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 248 transitions. [2024-11-23 23:57:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:57:19,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:19,693 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:19,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:57:19,693 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:19,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:19,694 INFO L85 PathProgramCache]: Analyzing trace with hash 810114455, now seen corresponding path program 1 times [2024-11-23 23:57:19,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:19,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226764362] [2024-11-23 23:57:19,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:19,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:57:19,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1154341534] [2024-11-23 23:57:19,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:19,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:57:19,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:57:19,739 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:57:19,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:57:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:57:19,864 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:57:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:57:19,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:57:19,978 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:57:19,979 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:57:19,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 23:57:20,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:57:20,187 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:20,312 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:57:20,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:57:20 BoogieIcfgContainer [2024-11-23 23:57:20,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:57:20,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:57:20,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:57:20,319 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:57:20,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:56:59" (3/4) ... [2024-11-23 23:57:20,325 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:57:20,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:57:20,328 INFO L158 Benchmark]: Toolchain (without parser) took 21631.71ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 116.8MB in the beginning and 111.5MB in the end (delta: 5.2MB). Peak memory consumption was 132.5MB. Max. memory is 16.1GB. [2024-11-23 23:57:20,328 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:57:20,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.99ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 103.6MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:57:20,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.29ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:57:20,329 INFO L158 Benchmark]: Boogie Preprocessor took 72.34ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 98.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:57:20,330 INFO L158 Benchmark]: RCFGBuilder took 580.06ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 83.9MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:57:20,331 INFO L158 Benchmark]: TraceAbstraction took 20425.32ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 83.2MB in the beginning and 111.6MB in the end (delta: -28.4MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2024-11-23 23:57:20,332 INFO L158 Benchmark]: Witness Printer took 7.58ms. Allocated memory is still 268.4MB. Free memory was 111.6MB in the beginning and 111.5MB in the end (delta: 54.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:57:20,335 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.99ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 103.6MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.29ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.34ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 98.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 580.06ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 83.9MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20425.32ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 83.2MB in the beginning and 111.6MB in the end (delta: -28.4MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. * Witness Printer took 7.58ms. Allocated memory is still 268.4MB. Free memory was 111.6MB in the beginning and 111.5MB in the end (delta: 54.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 25; [L23] unsigned char var_1_2 = 1; [L24] signed char var_1_5 = 16; [L25] unsigned short int var_1_6 = 16; [L26] signed char var_1_7 = 4; [L27] unsigned short int var_1_8 = 2; [L28] signed char var_1_9 = 64; [L29] signed char var_1_10 = 0; [L30] unsigned char var_1_11 = 16; [L31] double var_1_12 = 128.4; [L32] double var_1_13 = 50.2; [L33] double var_1_14 = 3.8; [L34] double var_1_15 = 25.1; VAL [isInitial=0, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L92] isInitial = 1 [L93] FCALL initially() [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L62] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L62] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=16, var_1_7=4, var_1_8=2, var_1_9=64] [L63] var_1_6 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_7=4, var_1_8=2, var_1_9=64] [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_7=4, var_1_8=2, var_1_9=64] [L65] CALL assume_abort_if_not(var_1_6 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_7=4, var_1_8=2, var_1_9=64] [L65] RET assume_abort_if_not(var_1_6 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_7=4, var_1_8=2, var_1_9=64] [L66] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L66] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=4, var_1_8=2, var_1_9=64] [L67] var_1_7 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L68] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L69] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L69] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=64] [L70] var_1_9 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_9 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L71] RET assume_abort_if_not(var_1_9 >= 63) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L72] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L72] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L73] var_1_10 = __VERIFIER_nondet_char() [L74] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L74] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L75] CALL assume_abort_if_not(var_1_10 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L75] RET assume_abort_if_not(var_1_10 <= 64) VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_12=642/5, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L76] var_1_12 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L77] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_13=251/5, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L78] var_1_13 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L79] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_14=19/5, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L80] var_1_14 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L81] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_15=251/10, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L82] var_1_15 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=30, var_1_11=16, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L83] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L96] RET updateVariables() [L97] CALL step() [L38] COND FALSE !(((var_1_12 - var_1_13) + var_1_14) <= (256.625 * ((((1.875) > (var_1_15)) ? (1.875) : (var_1_15))))) VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_1=25, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L41] COND TRUE \read(var_1_2) [L42] var_1_1 = ((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))) VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_1=16, var_1_2=1, var_1_5=16, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L44] COND TRUE (var_1_1 == 16) || (var_1_11 < (10 / var_1_6)) [L45] var_1_5 = var_1_7 VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L49] unsigned char stepLocal_1 = var_1_11; [L50] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_1=16, var_1_10=30, var_1_11=16, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L51] COND TRUE stepLocal_0 || (var_1_11 >= var_1_11) VAL [isInitial=1, stepLocal_1=16, var_1_10=30, var_1_11=16, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=2, var_1_9=63] [L52] COND TRUE stepLocal_1 < ((var_1_9 - var_1_10) - 16) [L53] var_1_8 = ((((var_1_10) > (32)) ? (var_1_10) : (32))) VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=32, var_1_9=63] [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return (((var_1_2 ? (var_1_1 == ((unsigned short int) ((((var_1_11) > (var_1_11)) ? (var_1_11) : (var_1_11))))) : 1) && (((var_1_1 == 16) || (var_1_11 < (10 / var_1_6))) ? (var_1_5 == ((signed char) var_1_7)) : (var_1_5 == ((signed char) 5)))) && ((var_1_2 || (var_1_11 >= var_1_11)) ? ((var_1_11 < ((var_1_9 - var_1_10) - 16)) ? (var_1_8 == ((unsigned short int) ((((var_1_10) > (32)) ? (var_1_10) : (32))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_9) < (var_1_11)) ? (var_1_9) : (var_1_11))))))) && ((((var_1_12 - var_1_13) + var_1_14) <= (256.625 * ((((1.875) > (var_1_15)) ? (1.875) : (var_1_15))))) ? (var_1_11 == ((unsigned char) (((((5) < 0 ) ? -(5) : (5))) + 5))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=30, var_1_11=16, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=32, var_1_9=63] [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=32, var_1_9=63] [L19] reach_error() VAL [isInitial=1, var_1_10=30, var_1_11=16, var_1_1=16, var_1_2=1, var_1_5=-127, var_1_6=1, var_1_7=-127, var_1_8=32, var_1_9=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.2s, OverallIterations: 8, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 653 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 653 mSDsluCounter, 3077 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2366 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1179 IncrementalHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 711 mSDtfsCounter, 1179 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=6, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 108 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 988 NumberOfCodeBlocks, 988 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 782 ConstructedInterpolants, 0 QuantifiedInterpolants, 2599 SizeOfPredicates, 0 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 3332/3360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 23:57:20,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 476382d18560c39f16aae727092b47108fdc1ae0e3eedbadcc67982af5d45e6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:57:24,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:57:24,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:57:24,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:57:24,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:57:24,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:57:24,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:57:24,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:57:24,270 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:57:24,270 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:57:24,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:57:24,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:57:24,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:57:24,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:57:24,271 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:57:24,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:57:24,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:57:24,272 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:57:24,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:57:24,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:57:24,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:57:24,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:57:24,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:57:24,274 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:57:24,275 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:57:24,275 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:57:24,275 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:57:24,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:57:24,276 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:57:24,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:57:24,276 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:57:24,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:57:24,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:57:24,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:57:24,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:57:24,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:57:24,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:57:24,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:57:24,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:57:24,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:57:24,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:57:24,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:57:24,278 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:57:24,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:57:24,278 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:57:24,278 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:57:24,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:57:24,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:57:24,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:57:24,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:57:24,279 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 476382d18560c39f16aae727092b47108fdc1ae0e3eedbadcc67982af5d45e6d [2024-11-23 23:57:24,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:57:24,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:57:24,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:57:24,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:57:24,669 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:57:24,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-13.i [2024-11-23 23:57:28,608 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/data/2d68a99ca/1ea6627265e94f9fa91de0be4ef3c4f4/FLAG3989f033c [2024-11-23 23:57:29,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:57:29,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-13.i [2024-11-23 23:57:29,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/data/2d68a99ca/1ea6627265e94f9fa91de0be4ef3c4f4/FLAG3989f033c [2024-11-23 23:57:29,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/data/2d68a99ca/1ea6627265e94f9fa91de0be4ef3c4f4 [2024-11-23 23:57:29,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:57:29,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:57:29,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:57:29,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:57:29,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:57:29,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d96c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29, skipping insertion in model container [2024-11-23 23:57:29,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:57:29,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-13.i[913,926] [2024-11-23 23:57:29,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:57:29,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:57:29,566 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-13.i[913,926] [2024-11-23 23:57:29,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:57:29,631 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:57:29,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29 WrapperNode [2024-11-23 23:57:29,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:57:29,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:57:29,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:57:29,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:57:29,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,707 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2024-11-23 23:57:29,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:57:29,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:57:29,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:57:29,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:57:29,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,735 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,764 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:57:29,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,786 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:57:29,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:57:29,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:57:29,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:57:29,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (1/1) ... [2024-11-23 23:57:29,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:57:29,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:57:29,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:57:29,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:57:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:57:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:57:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:57:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:57:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:57:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:57:30,029 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:57:30,032 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:57:41,244 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-23 23:57:41,244 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:57:41,262 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:57:41,263 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:57:41,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:57:41 BoogieIcfgContainer [2024-11-23 23:57:41,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:57:41,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:57:41,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:57:41,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:57:41,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:57:29" (1/3) ... [2024-11-23 23:57:41,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1659bde3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:57:41, skipping insertion in model container [2024-11-23 23:57:41,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:57:29" (2/3) ... [2024-11-23 23:57:41,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1659bde3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:57:41, skipping insertion in model container [2024-11-23 23:57:41,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:57:41" (3/3) ... [2024-11-23 23:57:41,280 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-13.i [2024-11-23 23:57:41,305 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:57:41,307 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-13.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:57:41,382 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:57:41,403 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7c6bb4af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:57:41,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:57:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 23:57:41,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-23 23:57:41,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:41,420 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:41,421 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:41,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:41,428 INFO L85 PathProgramCache]: Analyzing trace with hash 744628402, now seen corresponding path program 1 times [2024-11-23 23:57:41,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:57:41,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405366008] [2024-11-23 23:57:41,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:41,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:57:41,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:57:41,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:57:41,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 23:57:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:42,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:57:42,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:57:42,148 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-23 23:57:42,148 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:57:42,149 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:57:42,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405366008] [2024-11-23 23:57:42,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405366008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:42,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:57:42,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:57:42,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400103852] [2024-11-23 23:57:42,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:42,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:57:42,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:57:42,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:57:42,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:57:42,195 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 23:57:42,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:42,230 INFO L93 Difference]: Finished difference Result 91 states and 151 transitions. [2024-11-23 23:57:42,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:57:42,235 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2024-11-23 23:57:42,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:42,248 INFO L225 Difference]: With dead ends: 91 [2024-11-23 23:57:42,248 INFO L226 Difference]: Without dead ends: 45 [2024-11-23 23:57:42,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:57:42,261 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:57:42,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:57:42,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-23 23:57:42,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-23 23:57:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 23:57:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2024-11-23 23:57:42,364 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 98 [2024-11-23 23:57:42,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:42,365 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2024-11-23 23:57:42,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 23:57:42,366 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-23 23:57:42,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:57:42,370 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:42,370 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:42,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 23:57:42,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:57:42,575 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:42,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:42,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1203141465, now seen corresponding path program 1 times [2024-11-23 23:57:42,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:57:42,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742023310] [2024-11-23 23:57:42,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:42,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:57:42,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:57:42,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:57:42,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 23:57:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:43,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:57:43,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:57:43,324 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-23 23:57:43,324 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:57:43,324 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:57:43,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742023310] [2024-11-23 23:57:43,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742023310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:43,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:57:43,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:57:43,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49129355] [2024-11-23 23:57:43,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:43,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:57:43,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:57:43,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:57:43,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:57:43,329 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:45,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:57:49,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:57:52,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:57:52,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:52,126 INFO L93 Difference]: Finished difference Result 171 states and 243 transitions. [2024-11-23 23:57:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:57:52,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-23 23:57:52,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:52,151 INFO L225 Difference]: With dead ends: 171 [2024-11-23 23:57:52,151 INFO L226 Difference]: Without dead ends: 129 [2024-11-23 23:57:52,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:57:52,154 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 141 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:57:52,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 182 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2024-11-23 23:57:52,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-23 23:57:52,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 125. [2024-11-23 23:57:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 76 states have (on average 1.1842105263157894) internal successors, (90), 76 states have internal predecessors, (90), 45 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-23 23:57:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2024-11-23 23:57:52,197 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 99 [2024-11-23 23:57:52,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:52,198 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2024-11-23 23:57:52,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-23 23:57:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2024-11-23 23:57:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:57:52,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:52,202 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:57:52,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 23:57:52,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:57:52,403 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:52,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:52,404 INFO L85 PathProgramCache]: Analyzing trace with hash 393794839, now seen corresponding path program 1 times [2024-11-23 23:57:52,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:57:52,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1951250133] [2024-11-23 23:57:52,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:52,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:57:52,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:57:52,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 23:57:52,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a978db-89c5-49e8-91ac-a6d2483944ae/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 23:57:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:52,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:57:52,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:48,296 WARN L286 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:07:30,018 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:08:39,628 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:09:18,762 WARN L286 SmtUtils]: Spent 5.70s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:09:29,993 WARN L286 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:09:52,038 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:10:58,688 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:11:03,844 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)